vrrp::instance::track_script: Enforce Array datatype 2

This is a followup of
#322 and #319

Author: bastelfreak

REFERENCE.md

@@ -1198,8 +1198,7 @@ Default value: `undef`
 Data type: `Array[String[1]]`
 
 Define which scripts to run to track service states.
-May be specified either as a String with a single Scriptname,
-or as an Array of Strings with multiple Scriptnames.
+Must be specified as an Array of Strings with multiple Scriptnames.
 
 Default value: `[]`
 

manifests/vrrp/instance.pp

@@ -82,8 +82,7 @@
 #
 # @param track_script
 #   Define which scripts to run to track service states.
-#   May be specified either as a String with a single Scriptname,
-#   or as an Array of Strings with multiple Scriptnames.
+#   Must be specified as an Array of Strings with multiple Scriptnames.
 #
 # @param track_process
 #   Define which process trackers to run.

spec/defines/keepalived_vrrp_instance_spec.rb

@@ -370,23 +370,6 @@
         }
       end
 
-      describe 'with parameter track_script as a single String' do
-        let(:params) do
-          mandatory_params.merge(
-            track_script: '_VALUE_'
-          )
-        end
-
-        it { is_expected.to create_keepalived__vrrp__instance('_NAME_') }
-
-        it {
-          is_expected.to \
-            contain_concat__fragment('keepalived.conf_vrrp_instance__NAME_').with(
-              'content' => %r!^  track_script {\n    _VALUE_!
-            )
-        }
-      end
-
       describe 'with parameter lvs_interface' do
         let(:params) do
           mandatory_params.merge(